content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import hu.akarnokd.reactive4javaflow.Esetleg;
  import hu.akarnokd.reactive4javaflow.fused.FusedDynamicSource;
  import org.junit.Test;
  
  import java.io.IOException;
  
  import static org.junit.Assert.*;
  
  public class EsetlegErrorTest {
  
      @Test
      public void normal() {
          Esetleg.error(new IOException())
                  .test()
                  .assertFailure(IOException.class);
      }
  
      @Test
      public void normalFused() {
          FusedDynamicSource<Object> f = (FusedDynamicSource<Object>)Esetleg.error(new IOException());
          try {
              f.value();
              fail("Should have thrown");
          } catch (Throwable ex) {
              assertTrue(ex.toString(), ex instanceof IOException);
          }
      }
  
      @Test
      public void callback() {
          Esetleg.error(IOException::new)
                  .test()
                  .assertFailure(IOException.class);
      }
  
  
      @Test
      public void callbackNull() {
          Esetleg.error(() -> null)
                  .test()
                  .assertFailure(NullPointerException.class);
      }
  
      @Test
      public void callbackFused() {
          FusedDynamicSource<Object> f = (FusedDynamicSource<Object>)Esetleg.error(IOException::new);
          try {
              f.value();
              fail("Should have thrown");
          } catch (Throwable ex) {
              assertTrue(ex.toString(), ex instanceof IOException);
          }
      }
  }
  